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Diatoms of North America
Practitioners
Morphology
Centric
Araphid
Eunotioid
Symmetric Biraphid
Monoraphid
Asymmetric Biraphid
Epithemioid
Nitzschioid
Surirelloid
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Gomphonema_tackei_var_brevistriata_HOLOTYPE_RANGE_stars-in-circle_GC53756.jpg
Species
Gomphosphenia stoermeri
Caption
Size diminution series in holotype population of
Gomphonema tackei
var.
brevistriata
. Stars indicate specimens within the scribed circle on the holotype slide.
Credit
Gina LaLiberte
